[Elecraft] OT - troubleshooting NIR-12

N2EY at aol.com N2EY at aol.com
Sat Dec 31 14:31:24 EST 2005


In a message dated 12/31/05 12:56:32 PM Eastern Standard Time, 
heartdoc at nwtcc.com writes:


> for the symbol of a diode, the 'arrow' side is cathode and
> 'plate' side is anode - right ? 

Wrong!

The diode arrow points in the direction of "conventional current flow" - 
which is opposite to the way the electrons flow.


The schematic drawing of this unit
> 
> definitely shows the 'arrow' side towards the +12v source. 
> 
>        ->|-
> Cathode - anode    Right ?
> 
> 

The "conventional current" flows from the +12 into the radio's innards. But 
the electrons actually go the other way.

73 de Jim, N2EY


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